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Finding the Fourth Proportional to 26,598.99, 39,899.86 and 6,877.72

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Solution

The fourth proportional to 26,598.99, 39,899.86 and 6,877.72 is: 10,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,598.99 : 39,899.86 = 6,877.72 : x
  2. Step 2: Convert to fraction form
    26,598.99/39,899.86 = 6,877.72/x
  3. Step 3: Cross multiply
    26,598.99x = 39,899.86 × 6,877.72
  4. Step 4: Simplify right side
    26,598.99x = 274,420,065.12
  5. Step 5: Solve for x
    x = 274,420,065.12/26,598.99
  6. Step 6: Final answer
    x = 10,316.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.